import random from sklearn.model_selection import train_test_split from sklearn.preprocessing import MinMaxScaler print("Starting processing ...") scaler = MinMaxScaler() X_train, X_test, y_train, y_test = train_test_split( df_data.values, df_target.values, test_size=0.20, random_state=random.randint(0, 42) # noqa F821 ) X_train = scaler.fit_transform(X_train) X_test = scaler.transform(X_test) print("Finished processing.")